Cyanamide

Modify Date: 2024-01-02 09:26:01

Cyanamide Structure
Cyanamide structure
Common Name Cyanamide
CAS Number 420-04-2 Molecular Weight 42.040
Density 1.0±0.1 g/cm3 Boiling Point 258.5±0.0 °C at 760 mmHg
Molecular Formula CH2N2 Melting Point 45-46 °C(lit.)
MSDS Chinese USA Flash Point 1.2±22.6 °C
Symbol GHS05 GHS06 GHS08
GHS05, GHS06, GHS08
Signal Word Danger

 Names

Name cyanamide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 258.5±0.0 °C at 760 mmHg
Melting Point 45-46 °C(lit.)
Molecular Formula CH2N2
Molecular Weight 42.040
Flash Point 1.2±22.6 °C
Exact Mass 42.021797
PSA 49.81000
LogP -0.82
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.397
Storage condition 2-8°C
Stability Unstable - heat sensitive. Incompatible with strong oxidizing agents, strong reducing agents, bases, acids, iron and its salts, steel, brass, lead, moisture. Reacts with acids to produce very toxic gas.
Water Solubility 775 g/L

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GS5950000
CHEMICAL NAME :
Cyanamide
CAS REGISTRY NUMBER :
420-04-2
BEILSTEIN REFERENCE NO. :
1732569
LAST UPDATED :
199712
DATA ITEMS CITED :
33
MOLECULAR FORMULA :
C-H2-N2
MOLECULAR WEIGHT :
42.05
WISWESSER LINE NOTATION :
ZCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
125 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,418,1989
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
86 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
84 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Behavioral - coma Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 54,254,1943
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
280 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,190,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
388 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,40,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
590 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,190,1969 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2450 mg/kg
SEX/DURATION :
male 70 day(s) pre-mating female 2 week(s) pre-mating - 2 week(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - other measures of fertility
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 61,20,1987
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1750 mg/kg
SEX/DURATION :
male 70 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 61,20,1987
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2600 mg/kg
SEX/DURATION :
male 70 day(s) pre-mating female 2 week(s) pre-mating - 3 week(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - delayed effects
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 61,20,1987
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
208 mg/kg
SEX/DURATION :
male 70 day(s) pre-mating female 2 week(s) pre-mating - 3 week(s) after conception
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 61,20,1987 *** REVIEWS *** ACGIH TLV-TWA 2 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 10 ppm (11 mg/m3) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,130,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 mg/m3 JAN 1993 OEL-BELGIUM:TWA 2 mg/m3 JAN 1993 OEL-DENMARK:TWA 2 mg/m3 JAN 1993 OEL-FINLAND:TWA 2 mg/m3;STEL 4 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 2 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2 mg/m3 JAN 1993 OEL-RUSSIA:STEL 0.5 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 2 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CYANAMIDE-air:10H TWA 2 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 20930 No. of Facilities: 76 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 962 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 20930 No. of Facilities: 19 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 2564 (estimated) No. of Female Employees: 272 (estimated)

 Safety Information

Symbol GHS05 GHS06 GHS08
GHS05, GHS06, GHS08
Signal Word Danger
Hazard Statements H301 + H311-H314-H317-H361fd-H373-H412
Precautionary Statements P201-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T:Toxic
Risk Phrases R21;R25;R36/38;R43
Safety Phrases S3-S22-S36/37-S45
RIDADR UN 2811 6.1/PG 3
WGK Germany 2
RTECS GS5950000
Packaging Group III
Hazard Class 8

 Synthetic Route

 Articles37

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Quantification of canavanine, 2-aminoethanol, and cyanamide in Aphis craccivora and its host plants, Robinia pseudoacacia and Vicia angustifolia: effects of these compounds on larval survivorship of Harmonia axyridis.

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 Synonyms

H2NCN
Dormex
CYANAMID
Cyanamide
EINECS 206-992-3
amino-cyanide
aminocarbonitrile
Carbodiamide
cyano-amine
USAF ek-1995
Cyanamide,stabilized
Carbamonitrile
hydrogen cyanamide
tsaks
2-cyanomide
alzogur
MFCD00007572
N-Cyanoamine
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